... and reliable welding curent output, small size. ARC140 inverter welder red (mma welder) features1. Advanced invert ... 100W,compare with traditional welding machine,energy saving up to 50%5.inverter frequency up to 100KHZ, speedy ... (mm)(LxWxH)330x135x220380x135x240380x135x240380x135x240500x170x290590x330x520590x330x520CE&ROSH Accessary (inverter dc) ARC140 mma Inverter welding machine red